maxdb_field_tell

(PECL)

maxdb_field_tell

(no version information, might be only in CVS)

result->current_field --  Get current field offset of a result pointer

Description

Procedural style:

int maxdb_field_tell ( resource result )

Object oriented style (property):

class result {

int current_field

}

Returns the position of the field cursor used for the last maxdb_fetch_field() call. This value can be used as an argument to maxdb_field_seek().

返回值

Returns current offset of field cursor.

参见

maxdb_fetch_field(), maxdb_field_seek()

Example

例子 1. Object oriented style

<?php
$maxdb
= new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$query = "SELECT name, cno from hotel.customer ORDER BY cno";

if (
$result = $maxdb->query($query)) {

   
/* Get field information for all columns */
   
while ($finfo = $result->fetch_field()) {

       
/* get fieldpointer offset */
       
$currentfield = $result->current_field;

       
printf("Column    %d:\n", $currentfield);
       
printf("Name:     %s\n", $finfo->name);
       
printf("Table:    %s\n", $finfo->table);
       
printf("max. Len: %d\n", $finfo->max_length);
       
printf("Flags:    %d\n", $finfo->flags);
       
printf("Type:     %d\n\n", $finfo->type);
   }    
   
$result->close();
}

/* close connection */
$maxdb->close();
?>

例子 2. Procedural style

<?php
$link
= maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   
printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$query = "SELECT name, cno from hotel.customer ORDER BY cno";

if (
$result = maxdb_query($link, $query)) {

   
/* Get field information for all fields */
   
while ($finfo = maxdb_fetch_field($result)) {

       
/* get fieldpointer offset */
       
$currentfield = maxdb_field_tell($result);

       
printf("Column    %d:\n", $currentfield);
       
printf("Name:     %s\n", $finfo->name);
       
printf("Table:    %s\n", $finfo->table);
       
printf("max. Len: %d\n", $finfo->max_length);
       
printf("Flags:    %d\n", $finfo->flags);
       
printf("Type:     %d\n\n", $finfo->type);
   }
   
maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>

The above examples would produce the following output:

Column    1:
Name:     NAME
Table:
max. Len: 10
Flags:    -1
Type:     2

Column    2:
Name:     CNO
Table:
max. Len: 4
Flags:    -1
Type:     0